MODIS/Aqua Level 2 Local Area Coverage (LAC) Geophysical Ocean Sea Surface Temperature (SST) Data Products

Federal Geographic Data Committee (FGDC) Metadata:

• Identification_Information
• Data_Quality_Information
• Spatial_Reference_Information
• Distribution_Information
• Metadata_Reference_Information

Identification_Information:

Citation:

Citation_Information:

Originator: Unknown

Publication_Date: Unknown

Title: MODIS/Aqua Level 2 Local Area Coverage (LAC) Geophysical Ocean Sea Surface Temperature (SST) Data Products

Description:

Abstract:

This data set consists of satellite measurements of global ocean sea surface temperature (SST) data obtained by the Moderate Resolution Imaging Spectroradiometer (MODIS), in orbit on the Aqua (formerly EOS PM) platform. MODIS SST products are processed and distributed by the Ocean Biology Processing Group (OBPG). Processing details can be found at http://oceancolor.gsfc.nasa.gov/DOCS/modis_sst/ Each Level-2 Local Area Coverage (LAC) product is generated from a corresponding Level-1B product. The main data contents of the product are the geophysical values for each pixel, derived from the Level-1B radiances by applying the atmospheric corrections, and SST retrieval algorithms. Each Level-2 product corresponds exactly in geographical coverage (scan-line and pixel extent) to that of its parent Level-1B product and is stored in one physical HDF file. The resolution is the same as the corresponding level 1B file (1 km). The standard SST product contains: SST = Sea Surface Temperature - 11 micron (daytime and nighttime) SST4 = Sea Surface Temperature - 4 micron (nighttime only) In addition, 32 flags are associated with each pixel indicating if any algorithm failures or warning conditions occurred for that pixel. Detailed information on the Level-2 format specifications can be found at http://oceancolor.gsfc.nasa.gov/DOCS/Ocean_Level-2_Data_Products.pdf Level-2 processing is performed using the Multi-Sensor Level-1 to Level-2 (MSl12) code, which is developed and maintained by the OBPG. The algorithms and logic were originally developed by the Rosenstiel School of Marine and Atmosphere Science (RSMAS) at the University of Miami. Processing details can be found at http://oceancolor.gsfc.nasa.gov/DOCS/modis_sst/ . Full documentation, updated code source, sensor files, and output product descriptions can be found at http://oceancolor.gsfc.nasa.gov/DOCS/MSL12/. For MODIS, the Level-1B file and the GEO file for each 5-minute granule are input to MSl12. The Level-2 processing also makes use of reference SST information from ancillary sources. In the near real-time (NRT) stream, the previous week’s Reynolds SST data are used. The NRT Quick Look products are then immediately available on the web browser and in the rolling FTP archive within 6-10 hours of observation. When the definitive attitude and orbit and coincident Reynolds SST data are received several days later, they are used in the Refined-processing stream and the Level-2 products are regenerated. Please, read the MODIS Ocean Parent document for more details: http://gcmd.nasa.gov/getdif.htm?MODIS_OCEAN_PARENT Browse Level 2 Data at http://oceancolor.gsfc.nasa.gov/cgi/browse.pl?sen=am

Purpose:

Not Available

Supplemental_Information:

Not Available

Time_Period_of_Content:

Time_Period_Information:

Range_of_Dates/Times:

Beginning_Date: 20020625

Ending_Date: Unknown

Currentness_Reference:Unknown

Status:

Progress: In Work

Maintenance_and_Update_Frequency: As needed

Spatial_Domain:

Description_of_Geographic_Extent:

Bounding_Coordinates:

West_Bounding_Coordinate: -180.0

East_Bounding_Coordinate: 180.0

North_Bounding_Coordinate: 90.0

South_Bounding_Coordinate: -90.0

Keywords:

Theme:

Theme_Keyword_Thesaurus: GCMD SCIENCE PARAMETERS

Theme_Keyword_Thesaurus: GCMD PLATFORM

Theme_Keyword_Thesaurus: GCMD INSTRUMENT

Theme_Keyword_Thesaurus: PROJECT

Theme_Keyword_Thesaurus: ISO TOPIC CATEGORY

Theme_Keyword_Thesaurus: DATA SET LANGUAGE

Theme_Keyword: EARTH SCIENCE > OCEANS > OCEAN TEMPERATURE > SEA SURFACE TEMPERATURE

Theme_Keyword: AQUA > EARTH OBSERVING SYSTEM, AQUA

Theme_Keyword: MODIS > MODERATE-RESOLUTION IMAGING SPECTRORADIOMETER

Theme_Keyword: EOS > EARTH OBSERVING SYSTEM

Theme_Keyword: EOSDIS > EARTH OBSERVING SYSTEM DATA INFORMATION SYSTEM

Theme_Keyword: ESIP > EARTH SCIENCE INFORMATION PARTNERS PROGRAM

Theme_Keyword: CLIMATOLOGY/METEOROLOGY/ATMOSPHERE

Theme_Keyword: GEOSCIENTIFIC INFORMATION

Theme_Keyword: OCEANS

Theme_Keyword: ENGLISH

Place:

Place_Keyword_Thesaurus: GCMD

Place_Keyword: OCEAN > ARCTIC OCEAN

Place_Keyword: OCEAN > ATLANTIC OCEAN

Place_Keyword: OCEAN > INDIAN OCEAN

Place_Keyword: OCEAN > SOUTHERN OCEAN

Place_Keyword: OCEAN > PACIFIC OCEAN

Place_Keyword: GEOGRAPHIC REGION > GLOBAL OCEAN

Place_Keyword: GEOGRAPHIC REGION > POLAR

Temporal:

Temporal_Keyword_Thesaurus: GCMD

Temporal_Keyword: 144 Daytime Granules Per Day

Temporal_Keyword: Daily - < Weekly

Access_Constraints: None

Use_Constraints:

Publications of research results utilizing these data must acknowledge the Ocean Biology Processing Group (OBPG) at the NASA Goddard Space Flight Center, Greenbelt, MD, USA.

Point_of_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: GENE CARL FELDMAN

Contact_Position: TECHNICAL CONTACT

Contact_Address:

Address_Type: Mailing and Physical Address

Address: Data System Manager

Address: NASA/Goddard Space Flight Center

Address: Mailstop 614.8

City: Greenbelt

State_or_Province: MD

Postal_Code: 20771

Country: USA

Contact_Voice_Telephone: (301) 286-9428

Contact_Facsimile_Telephone: (301) 286-0268

Contact_Electronic_Mail_Address: gene.c.feldman@nasa.gov

Data_Quality_Information:

Attribute_Accuracy:

Attribute_Accuracy_Report:

For data quality information on MODIS SST products performed by the Ocean Biology Processing Group (OBPG) see http://oceancolor.gsfc.nasa.gov/DOCS/modis_sst/

Logical_Consistency_Report:

Not Available

Completeness_Report:

Not Available

Lineage:

Process_Step:

Process_Description:

Not Available

Process_Date: Unknown

Spatial_Reference_Information:

Horizontal_Coordinate_System_Definition:

Geographic:

Latitude_Resolution: 1 km

Longitude_Resolution: 1 km

Geographic_Coordinate_Units: Decimal degrees

Distribution_Information:

Distributor:

Contact_Information:

Contact_Organization_Primary:

Contact_Organization: NASA/GSFC/SED/ESD/GCDC/OBPG > Ocean Biology Processing Group (OBPG), Global Change Data Center, Earth Sciences Division, Science and Exploration Directorate, Goddard Space Flight Center, NASA

Contact_Person: GENE CARL FELDMAN

Contact_Position: DATA CENTER CONTACT

Contact_Address:

Address_Type: Mailing and Physical Address

Address: Data System Manager

Address: NASA/Goddard Space Flight Center

Address: Mailstop 614.8

City: Greenbelt

State_or_Province: MD

Postal_Code: 20771

Country: USA

Contact_Voice_Telephone: (301) 286-9428

Contact_Facsimile_Telephone: (301) 286-0268

Contact_Electronic_Mail_Address: gene.c.feldman@nasa.gov

Resource_Description: OBPG_MODIS_AQUA_L2_SST

Distribution_Liability:

Not Available

Standard_Order_Process:

Digital_Form:

Digital_Transfer_Information:

Format_Name: HDF

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name:

http://oceancolor.gsfc.nasa.gov/

Access_Instructions:

DATA CENTER URL

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name:

http://oceancolor.gsfc.nasa.gov/cgi/browse.pl?sen=...

Access_Instructions:

Browse Level 2 Data Products

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name:

http://gcmd.nasa.gov/getserf.htm?SeaDAS

Access_Instructions:

SeaWiFS Data Analysis System (SeaDAS) for processing, display, analysis, and quality control of ocean products.

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name:

http://modis.gsfc.nasa.gov/

Access_Instructions:

MODIS WEB

Digital_Transfer_Option:

Online_Option:

Computer_Contact_Information:

Network_Address:

Network_Resource_Name:

http://oceancolor.gsfc.nasa.gov/DOCS/http://oceanc...

Access_Instructions:

Data and Processing documentation

Fees: Not Available

Metadata_Reference_Information:

Metadata_Date: 20040518

Metadata_Review_Date: 20120727

Metadata_Contact:

Contact_Information:

Contact_Person_Primary:

Contact_Person: MELANIE F. MEAUX

Contact_Position: DIF AUTHOR

Contact_Address:

Address_Type: Mailing and Physical Address

Contact_Electronic_Mail_Address: gsfc-gcmduso@mail.nasa.gov

Metadata_Standard_Name: FGDC Content Standards for Digital Geospatial Metadata

Metadata_Standard_Version: FGDC-STD-001-1998

Metadata_Time_Convention: local time